Coulomb energy differences in T=1 mirror rotational bands in Fe-50 and Cr-50 - art. no. 122501

Citation
Sm. Lenzi et al., Coulomb energy differences in T=1 mirror rotational bands in Fe-50 and Cr-50 - art. no. 122501, PHYS REV L, 8712(12), 2001, pp. 2501
Citations number
15
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
0031-9007 → ACNP
Volume
8712
Issue
12
Year of publication
2001
Database
ISI
SICI code
0031-9007(20010917)8712:12<2501:CEDITM>2.0.ZU;2-V
Abstract
Gamma rays from the N = Z - 2 nucleus Fe-50 have been observed, establishin g the rotational ground state band up to the state J(pi) = 11(+) at 6.994 M eV excitation energy. The experimental Coulomb energy differences, obtained by comparison with the isobaric analog states in its mirror Cr-50, confirm the qualitative interpretation of the backbending patterns in terms of suc cessive alignments of proton and neutron pairs. A quantitative agreement wi th experiment has been achieved by exact shell model calculations, incorpor ating the differences in radii along the yrast bands, and properly renormal izing the Coulomb matrix elements in the pf model space.